View Single Post
  #1  
Old 01-02-2018, 05:58 PM
RickS's Avatar
RickS (Rick)
PI cult recruiter

RickS is offline
 
Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Hickson compact groups 93 (aka Arp 99) and 94

A couple of cool galaxy groups in Pegasus. These are crops from the same field which is pretty much chokkers with galaxies. Oh, and there's integrated flux nebula as well

Tech details...

Captured at SRO, Sep-Nov, 2017

Scope: Ceravolo C300 @ f/4.9 = 1470mm FL
Mount: AP1100
Camera: FLI PL16803
Focuser: Atlas
Filters: Astrodon
Guiding: Lodestar II / Tak guide scope
Image scale: 1.26 arcsec/pixel (Drizzled to double res)
Exposures: 27x1200s R, 28x1200s G, 31x1200s B, 51x600s L (37.16 hours)
Processing: PixInsight 1.8.5

Processing credit: Rick Stevenson
Acquisition credit: Scott Johnson, Augusto Hernandez, John Kasianowicz, Daniele Malleo, Jose Mtanous and Rick Stevenson

Whole field in higher res: https://www.astrobin.com/full/331663/0/
Attached Thumbnails
Click for full-size image (Arp99_v2-HCG93-sml.jpg)
78.2 KB108 views
Click for full-size image (Arp99_v2-HCG94-sml.jpg)
104.6 KB87 views
Reply With Quote