73 Seen from Maintenon / Chartres France
TS130mm telescope on MK2 mount, ASI178 cam approx.30 / 300 images, despite terrible weather in the Beauce during this night.
FireCapture, AS3, Registax
It is the grazing lighting on the terminator, during certain first quarters of the Blanchinus, La Caille and Purbach craters by the Sun illuminating the summits which draws the letter X.
This phenomenon only happens a few times a year and only lasts a maximum of 4 hours and a little less for the 4 branches of the X
We can also see, a V on the Ukert crater
His next 2021 appearances will be July 16, September 13, and November 11.
30 NGC 7223 (UGC 11931, PGC 68197 and others) is the loose-armed spiral galaxy located approximately 213 million light-years away in Lacerta.
UGC 11927 (PGC 68169 and 68171 and others) is the delicate spiral closer to the center of the image. It is located approximately 204 million light-years away.
Luminance â 24x600s â 240 minutes â binned 1x1
RGB â 8x300s â 40 minutes each â binned 2x2
360 minutes total exposure â 6 hours
Imaged September 19th, 20th and 21st, 2020 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/51197106465/sizes/l/
LRGB crop of the galaxies - https://www.flickr.com/photos/dcrowson/51197106350/sizes/l/
36 NGC 6744 (Caldwell 101, ESO 104-42, PGC 62836 and others) is an intermediate spiral galaxy located approximately 31 million light-years away in Pavo.
NGC 6744A (ESO 104-38, PGC 62815 and others) is a companion galaxy found in the arms above and to the right.
Luminance â 10x600s â 100 minutes â binned 1x1
RGB â 7:7:9x600s â 70:70:90 minutes each â binned 1x1
330 minutes total exposure â 5 hours 30 minutes
Imaged November 7th, 2020 and April 10th, May 6th and 17th, 2021 at the El Sauce Observatory (Rio Hurtado, Chile) with a FLI PL 9000 on a PlaneWave CDK24 at f/6.5 3974 mm.
This is a Telescope Live (https://telescope.live/) âOne-Click Observation.â These are automated data collection sessions that run when the scopes are otherwise not in use. Create a free trial account to download some of this data. Use my referral promo code SUFM5 when you sign up to receive 20% off if you continue after th
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