Imaging telescopes or lenses: Celestron C1100 Edge HD + Hyperstar · Astro-Tech AT65EDQ 65mm f/6.5 ED quadruplet #2
Imaging cameras: QHY CCD QHY 128C · QHY163M
Mounts: Orion HDX110
Guiding cameras: QHYCCD QHY5-III 290M
Focal reducers: Starzona Hyperstar
Software: PHD guiding · Main Sequence Software SGPro · Adobe Photoshop CS6 · APT - Astro Photography Tool
Filters: Optolong O-III Optolong 2" OIII · Optolong 2" HA 7nm · Optolong 2" LUM
Dates:Aug. 11, 2020 , Aug. 19, 2020
Frames:
Optolong 2" HA 7nm: 30x120" bin 1x1
Optolong 2" HA 7nm: 10x600" bin 1x1
Optolong 2" LUM: 17x300" bin 1x1
Optolong O-III Optolong 2" OIII: 30x120" bin 1x1
Integration: 5.1 hours
Darks: ~25
Avg. Moon age: 11.20 days
Avg. Moon phase: 26.07%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 3798069
RA center: 18h 20' 51"
DEC center: -16° 11' 45"
Pixel scale: 1.446 arcsec/pixel
Orientation: 172.723 degrees
Field radius: 1.087 degrees
Resolution: 4343x3229
Data source: Backyard
M17 The Swan Nebula in HST Palette
M17 The Swan Nebula(NGC 6618) is also known as the Omega, Checkmark or Horseshoe Nebula. It is an HII region in the constellation of Sagittarius, 5000-6000 light years away.
I used 2 different setups to capture this:
11" Celestron Edge HD w/Hyperstar V4 (setup#1)
QHY163M
HDX-110
HA:30x120 sec (Red/50% blend)
OIII:30x120 sec (Blue/Blue 50% blend)
HA+OIII- as 50% Lum
Setup#2
RGB:17x300 sec(from widefield image): flic.kr/p/2jyPSEL
Center (RA, Dec):(275.215, -16.195)
Center (RA, hms):18h 20m 51.654s
Center (Dec, dms):-16° 11' 42.834"
Size:1.75 x 1.31 deg
Radius:1.091 deg
Pixel scale:1.45 arcsec/pixel
Orientation:Up is 172 degrees E of N
| Images from the EdgeHD Series |
| HyperStar Lens Astrophotography |
| QHY Users Group |
Comments