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Messier 15 (NGC 7078) - A globular cluster in the Pegasus constellation. This cluster of stars is ancient, estimated to be around 12 billion years old.
This ball of around 100,000 stars sits 33,600 light years from Earth and has undergone a core collapse, with an enormous number of stars sitting around a central black hole.
It has been an absolute age since I attempted and successfully photographed a DSO, with my most recent work being focused around planets, the Sun and on occasion the Moon. Our weather and work patterns have not been kind.
So needless to say, I am a little rusty at this, indeed I feel more subs are greatly required to reduce noise and make this image sharper.
Imaging Data:
Location: Mansfield, England
Conditions: Gusting wind, occasional cloud, 9c
Light Pollution: Suburban Town
Equipment: Meade LX90 8" SCT, Nikon D300
Exposures: 25x300s Lights (2h5m), 30s Intervals, 15x300 Darks
Camera Settings: ISO 1600
Guiding: PHD, Orion ST-80 | Orion Starshoot Autoguider (1s)
Processing: Deep Sky Stacker | Photoshop
Messier 51 ultra-deep field
Credit: Giuseppe Donatiello, Alessandro Falesiedi, Mario Lovrencie, Tim Stone
This is where my husband spends most of his time. Work and play. I wasn't looking forward to this week's challenge , but this is a portrait of him, in his environment, so I'm happy. But truthfully, his bin is usually overflowing with paperwork, but otherwise paper piles are all lined up and organised as in OCD. Maybe I should have done a self-portrait.
Bode's Nebula and the Cigar Galaxy.
It's been cloudy for months and now the nights are so short, imaging time is severely limited. Despite this, I had a chance to finally test out the ASI 2600mm mono camera and capture a few hours of M81.
There are only 6 Ha subs of 10 minutes, and 12, 2-minute subs with the Blue and Green filters combined to make a HaGB image processed in Pixinsight.
Darks are easy because I can cool the camera and do them throughout the day!
This was using a Skywatcher Esprit 100ED scope and a HEQ5 mount. I had to be quick with alignment since the night is so short, so I am using a Polemaster and Starsense to get the mount ready quick.
The Southern Pinwheel Galaxy, also known as Messier 83 (M83), is a barred spiral galaxy located in Hydra constellation. M83 lies at a distance of 15 million light years from Earth. It is one of the nearest and brightest spiral galaxies, and can even be seen in binoculars. The galaxy appears face-on when viewed from Earth.
This image consists of 10 hours and 10 minutes of data capturing 4 hours and 30 minutes of luminance data and approximately 2 hours of red, green and blue data.
Telescope: Tec 140mm
Mount: Astrophysics 100
Camera: SBIG STT 8300M
Messier 34, an open star cluster 1,500 light years away in the constellation Perseus. Monday 11th November wasn't a great night for imaging celestial objects but after the transit of Mercury we thought it would be fun to continue gathering photons so we braved the wind, clouds and glare of the full Moon to try and capture this star cluster. The adverse conditions made it tricky and lots of frames had to be junked but there were enough left to get a reasonable shot. Anyway it's another Messier object to tick off the list.
More information here: en.wikipedia.org/wiki/Messier_34
016 x 180 second exposures at Unity Gain (139) cooled to -20°C
054 x dark frames
030 x flat frames
100 x bias frames (subtracted from flat frames)
Binning 1x1
Total integration time = 48 minutes
Captured with APT
Guided with PHD2
Processed in Nebulosity and Photoshop
Equipment:
Telescope: Sky-Watcher Explorer-150PDS
Mount: Skywatcher EQ5
Guide Scope: Orion 50mm Mini
Guiding Camera: ZWO ASI120MC
Imaging Camera: ZWO ASI1600MC Pro
Baader Mark-III MPCC Coma Corrector
Light pollution filter
Messier 81 (M81), also known as Bode’s Galaxy, is a grand design spiral galaxy located in the constellation Ursa Major. The galaxy lies at an approximate distance of 11.8 million light years from Earth and has an apparent magnitude of 6.94. It has the designation NGC 3031 in the New General Catalogue.
Messier 81 occupies an area of 26.9 by 14.1 arc minutes of apparent sky, which corresponds to a linear diameter of about 90,000 light years. It can easily be seen in binoculars, which only show a dim patch of light, and is best viewed in larger telescopes, which reveal details of the galaxy’s spiral structure. 3-inch telescopes show M81 as a hazy, bright oval-shaped patch of light, while 6-inch telescopes reveal the galaxy’s bright core surrounded by a faint halo. EAA image.
Somehow Juniper ends up cleaning up after everyone around here, even me.
-.-.-
A Doll A Day 2015
February 5: Messy
Teen rooms are often messy because teens are busy with more important things than cleaning, like studying, socializing, gaming, or sleeping. Teens also have a different definition of messiness than their parents. What may look like a chaotic pile of clothes, books, and gadgets to an adult is actually a carefully organized system of personal belongings that only the teen can understand. Teens also like to express their individuality and creativity by decorating their rooms with posters, stickers, and other accessories that may not match the rest of the house. Therefore, teen rooms are often messy because they reflect the teen's personality, lifestyle, and preferences.
Source: AI Text Generator
First use of my new Optolong L-Enhance filter.
70x180"
QHY8L
Sky-Watcher 200/1000 reflector
Sky-Watcher NEQ6-Pro
for Alex (not mine) - he is in his school uniform in the midst of making his wee boat during woodworking class at school. Alex is a "little" messy during his painting and has also left tools and wood lying about. The name on the boat is Ratty Bag which is his nickname. Alex's mum took this in to him at school.
Messier 42 y alrededores. Apilado de 100x30 + 75x15 segs (1h 8'). f:200mm @ F/5.6, ISO 800. Canon 1000D +SMC Takumar 200mm, montura CG4. 25-11-2014
BlogHer is running a series on getting organzied. I will be writing the posts for home offices. Will this be a do as I say or will I take my own advice?
Open Cluster
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm
Focal Ratio f/10
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600, 83x30sec
(total exposure 41min 30sec)
Calibration 40 darks, 30flats, 40 bias
Date 9th Feb2021
Location Southampton, UK
Sky Bortle 5
Her hair gets more and more crazy and unmanageable everyday. Just like her. :P
I love it though, we spent the morning cuddling on the couch, which might actually explain the messy hair.....
So I figured she deserved some camera time. Love her! <3
Messy party to celebrate graduating from 8th grade
Messy lottery: Tori is about to get a Kool-Aid shower from Stephanie.
Taken: 2/4/12 Time: 9PM
ISO: 800
Scene: Auto
Image Mode: 4000x3000
*Used bed as a tripod
I couldn't really think of a good background simply because the word already had so much going on. All I did was used the eyedropper tool to make a similar background that is in the word.
Come join the new group I have started and show us your messy desk. The group name is Messy Desk Contest. There's no prize, just the rush of the comments and a chance to see someone messier than you.
195/366
We had messy day the last day of camp! This was the grossest thing I've ever been a part of but everyone had a blast.
Messier 31 - The Andromeda Galaxy
Taken 19-11-2017
Equipment:
Skywatcher 150PDS
Celestron Advanced VX Mount
Nikon D5200
Baader Neodymium Filter
Touptek Guide Cam
Orion Mini 50mm Guide Scope
Software:
Backyard Nikon
Photoshop CS2
Astrotortilla
Stellarium
Location:
Northern Jutland - Denmark
Exposure:
2-pane mosaic
56 subs (ISO 3200 and 800)
2 minute exposure (+one 8 minute)
1.96 hours Total Exposure
This was the first time I ever tried doing a mosaic. The Andromeda galaxy is very big on the sky. Several times larger than a full moon, which is why I needed to do a 2-pane mosaic to capture the whole majesty of our neighbor.
Messier 45 - Pleiades
Credit: Giuseppe Donatiello
DIY 110/250mm f/2.2 Canon optics astrograph
RA: 3h 47m 24s Dec: +24° 7′
After decades of investigations, there are still those who claim that the cirrus clouds in the Pleiades are remnants of their formation. How true will it be?
About 135 pc distant and with an estimated age of 130 ±20 Myr (Barrado y Navascués et al. 2004), M45 is certainly a young-than-average open cluster, but not as young as believed.
The higher mass members are: Alcyone, Electra, Atlas, Maia, Merope, Taygeta, Pleione and Celeno. Some of them are stars of class Be, however under 8 solar masses. It must be said, however, that some are binary and multiple systems, therefore the real masses of the individual components could be lower [A&A 425, L45-L48 (2004)]. The group mainly contains stars of class A and F, therefore between about 1 and 2.5 solar masses. Clearly there are red dwarfs and substellar objects such as numerous brown dwarfs.
Taking into account the estimated age, all stars with masses greater than 8 times the sun have already exploded as supernovae millions of years ago.
Some of the brightest stars are now in the process of evolving into red giants and some have already done so, as some massive white dwarfs have been discovered.
If we had observed the Pleiades a few million years ago, we would have seen a nice mix of white stars and red giants, as in some younger OCs.
Regardless, M45 could not have remnants of the original cloud since they usually last only a few million years before being swept away by the radiation pressure exerted by the most massive stars.
Those clouds, which many believe to be remnants of the original hydrogen cloud, are instead cirrus clouds belonging to the larger Taurus Molecular Cloud (TMC-1) that the cluster is now passing through. That cluster and cloud are not correlated can be seen from their reciprocal, almost opposing motions (Steven J. Gibson and Kenneth H. Nordsieck 2003 ApJ 589 362)
The Pleiades are moving towards the constellation of Orion and will still resist another 250 million years before completely disintegrating under the effects of the tidal forces exerted by the Milky Way.
Cirrus clouds only scatter the light of nearby stars.