Untitled Document

M101

Click Image for Larger Version

SV80ST f/6
QHY163M
Mach1GTO
Optolong LRGB

L=112x1min 
RGB=45x2min each
Total time = 6hrs 22min       

This is my first LRGB image with a new camera (QHY163M)

Processing done in PixInsight

2015

APM115 @ f/5.4 
Riccardi .75x Reducer  Atik 383L+  Losmandy G11 Gemini 2

L=14x15min  
B=11x15min 
G=8x15min   
R=6x15min  Ha=11x20min  
Total time = 13.5hrs  

Subs calibrated, registered and stacked with DeepSkyStacker Photoshop: levels/curves, smartsharpen filter, high pass filter, reduce noise filter, Gradient Xterminator

2012 
APM115 @ f/5.1 AP 27TVPH redcer
Atik 383L+ 
Losmandy G11 L=45x10min RGB=18x10min each 
Total time = 16.5hrs 
Subs calibrated, registered and stacked with DeepSkyStacker Photoshop: levels/curves, smartsharpen filter, high pass filter, reduce noise filter, Gradient Xterminator 

This image is the first taken with an AP 27TVPH reducer, without a flattener. The stars have an irregular shape that I hope will be resolved with the addition of a field flattener.

2011 

Atik 383L+
AT8RC @ f/6.2 
CCD67T Reducer Losmandy G11 guided with AT65EDQ, Lodestar, PHD Guiding 

L=34x10min 

RGB=12x10min each

2009