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Messier 3 (NGC 5272) is undoubtedly one of the most beautiful Northern globular clusters. Located around 32,000 light-years away in Canes Venatici, it is estimated to be 11.4 billion years old and is one of the largest and brightest globular clusters in the Milky Way, made up of around 500,000 stars.
M3 is also renowned for containing the largest population of variable stars known to date in a globular cluster, as well as a relatively high number of blue stragglers. These stars are young, hotter and brighter than the others, in stark contrast to the old stars of a globular cluster. How they formed remains a subject of research.
Acquisitions: 13h04 from June 1 to 6, 2023 in Amiens (France) with :
TOA 130 - FL645 telescope
Eq6-R mount
ASI 2600mm camera & LRVB Antlia filters
Pixinsight & Photoshop processing
L: 261 x 120s
RGB: 40 /50 /41 x120s
Melting boots by the back door. The little man's feet are nearly as big as mine already, and he's only six!
Spiral galaxies are usually very aesthetically appealing objects, and never more so than when they appear face-on. And this image is a particularly splendid example: it is the grand design spiral galaxy Messier 100, located in the southern part of the constellation of Coma Berenices, and lying about 55 million light-years from Earth. While Messier 100 shows very well defined spiral arms, it also displays the faintest of bar-like structures in the centre, which classifies this as type SAB. Although it is not easily spotted in the image, scientists have been able to confirm the bar’s existence by observing it in other wavelengths. This very detailed image shows the main features expected in a galaxy of this type: huge clouds of hydrogen gas, glowing in red patches when they re-emit the energy absorbed from newly born, massive stars; the uniform brightness of older, yellowish stars near the centre; and black shreds of dust weaving through the arms of the galaxy. Messier 100 is one of the brightest members of the Virgo Cluster, which is the closest cluster of galaxies to our galaxy, the Milky Way, containing over 2000 galaxies, including spirals, ellipticals, and irregulars. This picture is a combination of images from the FORS instrument on ESO’s Very Large Telescope at Paranal Observatory in Chile, taken with red (R), green (V) and blue (B) filters. Links Photos of the VLT
Another shot of the new room. It's still messy right now, but it will be clean by tomorrow, I promise!
Messier 48. Apilado de 80x30 (40min) f:400mm @ F/5.7, ISO 800. Canon 450D +Celestron 70/400, montura CG4. 03-03-2013
Messier 46
Stack Size:27
Exposure: 45s
ISO: 6400
Lens: 8in SCT with f6.3 Focal Reducer
Camera: Canon Rebel T7i with Astro Mod
Messy first ever attempt at Nail Polish Marbling..
Little finger not included as yet because it failed. nailsandnonsense.blogspot.com/
Messier 20 & 21. Apilado de 140x16segs (37min), f:400mm @ F/5.7, ISO 1600. Canon 1000D +Celestron 70/400. 10-07-2012
This is the Galaxy Messier 74. Shot with an EOS 550D mounted to a Skywatcher 150/750 telescope. Exposure was around 49 minutes with ISO 800.
After dinner on a Friday night. I eventually found the energy to clean up, but it was real nice to draw it first.
Messier M106, NGC 4258, LRGB 90:35:35:45 min., Baader Filter, TOA-150, ST-2000XM
Frames auto-aligned w. PinPoint
Result after cropping away the part with reflections caused by the reducer.
APM LZOS 130/780 with Riccardi 0,75x Reducer and ATIK ONE 9.0
0:55h Lum with IDAS LPS-D1
0:25h R/G/B each with Baader RGB
Captured on January 7th, 2020 from a bortle 7 zone.
**Equipment:**
* TPO 6" F/4 Imaging Newtonian
* Orion Sirius EQ-G
* ZWO ASI1600MM-Pro
* Skywatcher Quattro Coma Corrector
* ZWO EFW 8x1.25"/31mm
* Astronomik LRGB+CLS Filters- 31mm
* Astrodon 31mm Ha 5nm, Oiii 3nm
* Agena 50mm Deluxe Straight-Through Guide Scope
* ZWO ASI-120MC for guiding
* Moonlite Autofocuser
**Acquisition:** 54 minutes (Camera at Unity Gain, -20°C)
* Lum- 42x30"
* Red- 11x60"
* Green- 11x60"
* Blue- 11x60"
* Darks- 30
* Flats- 30 per filter
**Capture Software:**
* EQMod mount control. Captured using [N.I.N.A.](nighttime-imaging.eu/) and PHD2 for guiding and dithering.
**[PixInsight Processing](www.youtube.com/watch?v=E6vj_SEZ79k):**
* BatchPreProcessing
* StarAlignment
* [Blink](youtu.be/sJeuWZNWImE?t=40)
* ImageIntegration
* DynamicCrop
* AutomaticBackgroundExtraction 3X
* **Luminance:**
* TGV/MMT Noise Reduction
* ArcsinhStretch
* HistogramTransformation
* **RGB:**
* LinearFit to green
* ChannelCombination
* AutomaticBackgroundExtraction
* PhotometricColorCalibration
* SCNR
* HSVRepair
* ArcsinhStretch
* HistogramTransformation
* LRGBCombination with luminance
* CurveTransformations
* ACDNR Noise Reduction
* More Curves
* MorphologicalTransformation
* Annotation
Lens: TV NP 101is
Focal length: 540mm
Focal Ratio: 5.4/1
Exposure: 20X30 sec
Mount: CGEM
Guiding: C5+ & SSAG
Camera: Canon T1i (500D) Un-modded
Mode: Raw
ISO: 800
White Balance: Normal
ICNR: Off
Filter: Astronomik CLS
Temp: 61F
Date:
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