Secret Still Observatory

'Star, star teach me how to shine, shine'

B174

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)

Mark

2 minute read

    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…
Mark

2 minute read

    Integration time (running total):
    * OSC RGB 18 X 120s (36m)
    * OSC NB 156 X 300s (780m)
    * Total: 13h00m
    
    Integration time target
    * Target: 12 hours
    * Progress: 108%

The imaging is finished for now. The data is excellent and deserves to be experimented with in processing. The RGB stars also need to be implemented.

Mark

2 minute read

    Integration time (running total):
    * OSC 54 X 120s (108m)
    * Total: 1h48m

Seeing index: OK (3)
Jet stream: OK (12 m/s)
Transparency: Good (4)
Moon: 92%

M78

Mark

1 minute read

    Integration time (running total):
    * OSC 307 X 180s (921m)
    * Total: 15h21m

Notes

January has been a better month for clear skies making astro imaging possible once again. Hooray! M78 in Orion is a reflection nebula approx 1600 light years from Earth with NGC2071 to its North. Also visible is part of the H-Alpha cloud known as Barnard’s Loop which encircles the left-hand/East side of the constellation. Barely visible on following the line of the dark lane in the centre of M78…

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