AstroBin Questions
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Imaging telescopes or lenses: Meade 4501
Imaging cameras: Meade DSI II C
Mounts: CG5
Guiding telescopes or lenses: Orion ShortTube 80 f/5
Guiding cameras: Meade DSI
Focal reducers: Antares 0.5x Reducer
Software: Nebulosity, PHD guiding, photoshop, iLanga AstroPlanner
Accessories: HB Home-built TEC1-12706 cooler
Resolution: 773x582
Dates: May 11, 2012
Locations: Mapleton Lateral Observatory
Frames: 41x300"
Integration: 3.4 hours
Avg. Moon age: 20.22 days
Avg. Moon phase: 69.94%
RA center: 12:50:56.196
DEC center: +41:07:04.239
Pixel scale: 2.99 arcsec/pixel
Orientation: 121.24 degrees
Field width: 38.50 arcminutes
Field height: 28.94 arcminutes
Meridian flip to get more time on this. The revised version involved the same processing in Nebulosity, but a bit more unsharp masking in CS5 and the only Astronomy Tools noise reduction was color blotch reduction. Boosted the saturation a bit in CS5 as well.
Date: 11 May 2012
Subject: M94, Croc's Eye Galaxy
Scope: Meade 4501+ 0.5x Antares telereducer
Filter: none
Mount: CG-5 (Synta motors)
Guiding: Orion ST80 + 0.5x Antares telereducer + DSI Ic + PHD
Camera: DSI IIc (cooled at 2 A, 6.0 V)
Acquisition: Nebulosity 3.0.3
Exposure: 41 x 300 s
Stacking: Neb 3, bias included, normalize first, trans+rot align, 1.5 SD stack
Processing: Digital development with sharpening, power stretch, Keller stretch, a little saturation boost, GREYCStoration in N3, CS5 levels, Astronomy Tools space, deep space noise, color blotch reduction, local contrast enhance, star color enhance
