OBJECT |
M1 -
NGC 1952 (Crab Nebula) (image
is reduced-size | other sizes: medium
,,original)
Distance:
6,500 light years |
Telescope |
Takahashi TOA-130F @ f/7.7 |
Mount |
Takahashi EM200 Temma II |
Camera |
QSI 690wsg @ -15C |
Filters |
Astrodon Ha (3nm), Astrodon Tru-Balance
I-Series LRGB Gen 2 |
Guider |
SX Lodestar |
Settings |
6x10min Ha, 2x5min L (bin1x1); 2x5min ea
RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias) |
Date/Location
Notes |
23 January 2018 - Las Cruces, NM
Published in Chinese National Astronomy magazine, July
2018.
This image is LHaRGB, where Ha was used in combination with
Luminance and Ha:R (80:20) was used for the Red channel. |
Copyright Jeffrey O. Johnson
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