OBJECT |
M101
- Pinwheel Galaxy (NASA
description)
(click image for full-scale)
Distance:
23 million light years |
Telescope |
Takahashi TOA-130F @ f/7.7 |
Mount |
Takahashi EM200 Temma II |
Camera |
QSI 540wsg @ -15C |
Filters |
Astrodon Tru-Balance I-Series LRGB Gen
2 |
Guider |
SX Lodestar |
Settings |
19x10min L (bin1x1); 4x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/bias) |
Date/Location
Notes |
13 February 2013 - Las Cruces, NM (re-processed
on 2 Mar 2019 - old version is here)
Published as Astronomy Magazine Picture of the Day, 21
Nov 19 (screenshot).
|
Copyright Jeffrey O. Johnson
|