Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: ApophisAstros on Apr 04, 2019, 23:17:20

Title: Leo Triplet LRGB
Post by: ApophisAstros on Apr 04, 2019, 23:17:20
(https://cdn.astrobin.com/thumbs/xmIXiH-kGykm_1824x0_wmhqkGbg.jpg)
Imaging telescope: Altair Astro Lightwave 66ED-R
unity gain
51 x Luminace @ 150s
36 x RGB of each @ 150s

Imaging camera:ZWO ASI183MM Monochrome 4/3" CMOS USB3.0 Deep Sky Imager Camera
Mount:Skywatcher EQ6-R PRO Synscan
Guiding cameras:Skywatcher 9x50 Finderscope,  QHYCCD 5L-II MONO
Focal reducer:Baader 0.8x Reducer-Field Flattener
Software:Astro Photography Tool,  DeepSkyStacker x64 by Luc Coiffier, Tony Cook, David C. Partridge Deepsky Stacker 4.1 64bit
Filters:ZWO CCD LRGB Filter-Set 36mm,  Baader Ha 7nm,  zwo EFW 7-position Filter Wheel for 36mm Unmounted Filters
Accessories:Aurora Eurotech Flat Panel,  QHYCCD PoleMaster
Resolution: 5445x3632
Dates:April 1, 2019
Frames: 87x150"
Integration: 3.6 hours
Avg. Moon age: 26.01 days
Avg. Moon phase: 13.39%
Astrometry.net job: 2625666
RA center: 170.101 degrees
DEC center: 13.347 degrees
Pixel scale: 1.582 arcsec/pixel
Orientation: 172.462 degrees
Field radius: 1.438 degrees
Locations: Home, Worthing, West Sussex, United Kingdom
Data source: Backyard
Roger
Title: Re: Leo Triplet LRGB
Post by: NoelC on Apr 05, 2019, 09:27:51
Nice picture - well done for getting out there. 
There appears to be a colour cast on it (but I'm useless on colours).  Given the size of your chip what would the scale be without the focal reducer?

Noel