M51 the Whirlpool Galaxy
M51 the Whirlpool Galaxy
Spiral Galaxy
Constellation: Canes Venatici
Distance: 37,000,000 ly
Link to more information
05-17-2009
Imaged at Soap Creek Valley
Corvallis, Oregon
12.5" f/4.8 with Lightholder primary
CCD Labs Q453 (QHY8) Camera with Televue Photo Paracorr and Hutech IDAS LPS-P2 filter
9 x 300 sec subframes acquired with Nebulosity 2.0 with Offset 100 and Gain 58 (92%)
It was cool (49oF)
Tom Osypowski Dual Axis Aluminum Eq. Platform
Autoguided with PHD sofware
8" f/4 Guidescope
CCD-Labs Q-guide camera with Televue Paracorr
Image processing with ImagesPlus 3.75 and Photoshop CS4