Integration time (running total):
* HA 49 X 180s (147m)
* Total: 2h27m
Notes
Melotte 15 - the heart of the Heart Nebula in Cassiopeia. 2h27m of Hydrogen Alpha at F12 (equivalent of about 40mins in the F4.5 Newtonian). It needs a lot more time and better skies to have the resolution I think it can achieve but I think it’s worth pursuing. The Classical Cassegrain 1836mm F12 + Player One Uranus M uncooled mono camera with 2.9 micron pixels gives an image resolution of 0.33 arc…
Barnard 174 is an impressive dark nebula in Cepheus
Mark
2 minute read
Integration time (running total):
* IR_PASS 12 X 180s (36m)
* L 19 X 180s (57m)
* R 38 X 180s (114m)
* G 32 X 180s (96m)
* B 28 X 180s (84m)
* Total: 6h45m
Integration time target
* Target: 10 hours
* L/IR_PASS 100 X 180s (150m)
* R 100 X 180s (150m)
* G 100 X 180s (150m)
* B 100 X 180s (150m)
* Progress: 65%
17th October 2024
Seeing index: Good (4) Jet stream: Good (9 m/s) Transparency: Ave (3)
Integration time (running total):
* L 81 X 180s (252m)
* R 73 X 180s (219m)
* G 75 X 180s (225m)
* B 72 X 180s (216m)
* Ha 73 X 300s (365m)
* Total: 21h17m
Integration time target
* Target: 28 hours
* L 100 X 180s (300m)
* R 100 X 180s (300m)
* G 100 X 180s (300m)
* B 100 X 180s (300m)
* Ha 100 X 300 (500m)
* Progress: 76%
7th January 2025
Integration time:
* L 15 X 180s (45m)
* R 13 X 180s (39m)
* B 12 X 180s (36m)
* G…