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Test assembly of the major components of the rear subframe. The rear suspension and wheels will be bolted to this. The hole is for the rocket.
Owners of the BMW 3 Series (E46 models) have been reporting cracks and damage in the rear subframe area of their vehicles. The issue was also common on the earlier 3 Series models and unfortunately, have reoccurred with the E46 from 1999-2006. This issue specifically appears in the rear mounting points of the subframe, which can tear out from their position in the sheet metal. This occurs as the rear differential transmits the torsional load from the engine through the subframe, and then, into the chassis of the vehicle. This constant abuse leads to fatigue in the metal, causing cracks and separation from the chassis.
The parts used for this repair includes:
Active Autowerke (www.activeautowerke.com):
• E46 Subframe / Rear Chassis Reinforcement Kit
Powerflex USA (powerflexusa.com):
• BMW E46 M3 Rear Subframe Front Bushing - Street
• BMW E46 M3 Rear Subframe Rear Bushing - Street
• BMW E46 M3 Rear Diff Rear Mount - Street
• BMW E46 M3 Rear Diff Front Mount - Street
29 May 2022, ~11pm ET, Springfield Virginia USA. Orion Atlas AZ/EQ-G Pro mount. QHY 294M Pro camera @ -10C, bin 2x2, exposure 30 seconds, gain 2600, 11MP mode, stack of 40 subframes, no calibration frames. Baader Luminance filter. Reprocessed in Siril and PS on 25 May 2023.
Clouds: partly cloudy
Seeing: avg
Transparency: avg
Moon phase: 1%
FOV: 31 x 29 arcmin.
Resolution: 0.9 arcsec/pixel.
Appearance: Loosely wound face-on spiral galaxy, pinwheel shape.
From Wikipedia:
The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs) away from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries.
On February 28, 2006, NASA and the European Space Agency released a very detailed image of the Pinwheel Galaxy, which was the largest and most-detailed image of a galaxy by Hubble Space Telescope at the time. The image was composed of 51 individual exposures, plus some extra ground-based photos.
On August 24, 2011, a Type Ia supernova, SN 2011fe, was discovered in M101.
Pierre Méchain, the discoverer of the galaxy, described it as a "nebula without star, very obscure and pretty large, 6' to 7' in diameter, between the left hand of Bootes and the tail of the great Bear. It is difficult to distinguish when one lits the [grating] wires."
William Herschel wrote in 1784 that the galaxy was one of several which "...in my 7-, 10-, and 20-feet [focal length] reflectors shewed a mottled kind of nebulosity, which I shall call resolvable; so that I expect my present telescope will, perhaps, render the stars visible of which I suppose them to be composed."
Lord Rosse observed the galaxy in his 72-inch-diameter Newtonian reflector during the second half of the 19th century. He was the first to make extensive note of the spiral structure and made several sketches.
To observe the spiral structure in modern instruments requires a fairly large instrument, very dark skies, and a low-power eyepiece.
M101 is a large galaxy, with a diameter of 170,000 light-years. By comparison, the Milky Way has a diameter of between 100,000 and 120,000 light-years. It has around a trillion stars. It has a disk mass on the order of 100 billion solar masses, along with a small central bulge of about 3 billion solar masses. Its characteristics can be compared to those of Andromeda Galaxy.
M101 has a high population of H II regions, many of which are very large and bright. H II regions usually accompany the enormous clouds of high density molecular hydrogen gas contracting under their own gravitational force where stars form. H II regions are ionized by large numbers of extremely bright and hot young stars; those in M101 are capable of creating hot superbubbles. In a 1990 study, 1,264 H II regions were cataloged in the galaxy. Three are prominent enough to receive New General Catalogue numbers—NGC 5461, NGC 5462, and NGC 5471.
M101 is asymmetrical due to the tidal forces from interactions with its companion galaxies. These gravitational interactions compress interstellar hydrogen gas, which then triggers strong star formation activity in M101's spiral arms that can be detected in ultraviolet images.
In 2001, the X-ray source P98, located in M101, was identified as an ultra-luminous X-ray source—a source more powerful than any single star but less powerful than a whole galaxy—using the Chandra X-ray Observatory. It received the designation M101 ULX-1. In 2005, Hubble and XMM-Newton observations showed the presence of an optical counterpart, strongly indicating that M101 ULX-1 is an X-ray binary. Further observations showed that the system deviated from expected models—the black hole is just 20 to 30 solar masses, and consumes material (including captured stellar wind) at a higher rate than theory suggests.
It is estimated that M101 has about 150 globular clusters, the same as the number of the Milky Way's globular clusters.
M101 has six prominent companion galaxies: NGC 5204, NGC 5474, NGC 5477, NGC 5585, UGC 8837 and UGC 9405. As stated above, the gravitational interaction between it and its satellites may have spawned its grand design pattern. The galaxy has probably distorted the second-listed companion.
Four internal supernovae have been recorded:
SN 1909A, was discovered by Max Wolf in January 1909 and reached magnitude 12.1. SN 1951H reached magnitude 17.5 in September 1951. SN 1970G reached magnitude 11.5 in January 1970. On August 24, 2011, a Type Ia supernova, SN 2011fe, initially designated PTF 11kly, was discovered in M101. It had visual magnitude 17.2 at discovery and reached 9.9 at its peak.
On February 10, 2015, a luminous red nova, known as M101 OT2015-1 was discovered in the Pinwheel Galaxy.
Image from stacking
36x300s 3h
-Pre Processing-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Drizzle x2
Crop the black bands from the stacking
Owners of the BMW 3 Series (E46 models) have been reporting cracks and damage in the rear subframe area of their vehicles. The issue was also common on the earlier 3 Series models and unfortunately, have reoccurred with the E46 from 1999-2006. This issue specifically appears in the rear mounting points of the subframe, which can tear out from their position in the sheet metal. This occurs as the rear differential transmits the torsional load from the engine through the subframe, and then, into the chassis of the vehicle. This constant abuse leads to fatigue in the metal, causing cracks and separation from the chassis.
The parts used for this repair includes:
Active Autowerke (www.activeautowerke.com):
• E46 Subframe / Rear Chassis Reinforcement Kit
Powerflex USA (powerflexusa.com):
• BMW E46 M3 Rear Subframe Front Bushing - Street
• BMW E46 M3 Rear Subframe Rear Bushing - Street
• BMW E46 M3 Rear Diff Rear Mount - Street
• BMW E46 M3 Rear Diff Front Mount - Street
Fitted with a subframe for underfloor tipping gear.
Note the 22RB excavator in for repair in the background.
This factory is now the site of the new Oundle Waitrose.
43x120 second subframes, iso800.
Total exposure 1 hour 26 minutes.
Modified Canon 350D (Baader ACF-2)
Takumar 200mm lens at F5.6 (with Astronomik CLS filter, in Cambridge)
Skywatcher Star Adventurer
Stacked and processed in DSS, Fitswork and Gimp
17th and 24th June 2017
Welney and Cambridge, UK
The Plaxton 4000, built on Neoplan subframes was a awesome beast but on beset with issues mostly fires, This Jan 89 shot shows a three year old one reduced to a wreck at Stagecoach Walnut Grove Perth, on ething for sure its passenger carring days were over.
DIY 4x5/6x12 P+S
See www.flickr.com/photos/ezzie0304/4589911670/ for details
and www.flickr.com/photos/ezzie0304/4676126084/ for the current 0.4 version
Owners of the BMW 3 Series (E46 models) have been reporting cracks and damage in the rear subframe area of their vehicles. The issue was also common on the earlier 3 Series models and unfortunately, have reoccurred with the E46 from 1999-2006. This issue specifically appears in the rear mounting points of the subframe, which can tear out from their position in the sheet metal. This occurs as the rear differential transmits the torsional load from the engine through the subframe, and then, into the chassis of the vehicle. This constant abuse leads to fatigue in the metal, causing cracks and separation from the chassis.
The parts used for this repair includes:
Active Autowerke (www.activeautowerke.com):
• E46 Subframe / Rear Chassis Reinforcement Kit
Powerflex USA (powerflexusa.com):
• BMW E46 M3 Rear Subframe Front Bushing - Street
• BMW E46 M3 Rear Subframe Rear Bushing - Street
• BMW E46 M3 Rear Diff Rear Mount - Street
• BMW E46 M3 Rear Diff Front Mount - Street
My wife's daily driver of seven years was recently diagnosed with a rusted subframe. It was a repair that we could have afforded, but at almost fifteen years old--and also having spent almost all of that time (we presume) in the midwest--the entire car is slowly turning to rust and it is not worth our time to get it repaired.
We had decided that we would try and sell the car on Craigslist, so we spent some time cleaning the car and getting it ready. Today was going to be the final push, getting it washed and taking photos of it and making up a listing. We washed the car at home, then decided to take it to Marathon to vacuum it out before finding a parking lot to take photos in. Even from the house to the gas station, the car was acting incredibly janky, and by the time we got it to our chosen parking lot and started taking photos of it, it wasn't long before we gave up--and decided to junk the car.
We drove it home and called Victory Auto Wreckers, who will be coming to tow it away tomorrow. Here are some photos of the beloved Cavalier for posterity's sake.
Owners of the BMW 3 Series (E46 models) have been reporting cracks and damage in the rear subframe area of their vehicles. The issue was also common on the earlier 3 Series models and unfortunately, have reoccurred with the E46 from 1999-2006. This issue specifically appears in the rear mounting points of the subframe, which can tear out from their position in the sheet metal. This occurs as the rear differential transmits the torsional load from the engine through the subframe, and then, into the chassis of the vehicle. This constant abuse leads to fatigue in the metal, causing cracks and separation from the chassis.
The parts used for this repair includes:
Active Autowerke (www.activeautowerke.com):
• E46 Subframe / Rear Chassis Reinforcement Kit
Powerflex USA (powerflexusa.com):
• BMW E46 M3 Rear Subframe Front Bushing - Street
• BMW E46 M3 Rear Subframe Rear Bushing - Street
• BMW E46 M3 Rear Diff Rear Mount - Street
• BMW E46 M3 Rear Diff Front Mount - Street
The submarine USS Torsk (SS-423) is credited with sinking the last enemy vessel in WWII. It went on to serve the U.S. Navy until 1968. It is now part of the Baltimore Maritime Museum and can be toured for a nominal fee... but watch your head in there... it's pretty tight!
Seestar S50, PixInsight, GraXpert, RCAstro, GHS
EQ mode, LP filter, Bortle 7
1397 subframes
9 hrs 52 min exposure
'ImageIntegration' top 1000 subframes
This pretty beast came to us for a RWE APR custom front splitter, Mishimoto electric fan install, Castro motorsport 4point roll bar install & Mason Engineering rear 4point strut/subframe reinforcement, cornerbalance, allignment, and basic maintenance. Here is a list of all the current mods:
-Apex Arc-8 18x9.5 et35
-Bimmerworld Race Exhaust & Rear Diffuser
-Castro Motorsport 4point roll bar
-Custom Long Tube Headers
-Evolve Tune (custom)
--K&N Filter
-Mason Engineering Rear 4point strut/subframe reinforcement
-Mishimoto Electric Fan
-Macht Schnell Intake Elbow
-Nitto NTO5 265/35/18
-RaceWerkz APR Front Splitter (custom)
-Status Gruppe CSL Front Bumper, CSL Race Lip, CSL Trunk, Section 1 Resonated, and Coilover Kit.
Aluminum subframe fabricated by Marin in Spain.
I took the photo at Jerez circuit during the last round of the 2008 Spanish Championship.
More info at www.bottpower.com