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Old 06-08-2025, 09:39 PM
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Doogs38 (Alex)
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IC1283 Emission Nebula RGBHOO

Hi folks. I've surprised myself by finding time to shoot another target, albeit one less seen here (read almost never): IC1283 ... sometimes called the Twiddlebug Nebula. IC1283 is the Ha ionized (emission) nebula at the centre of the image, and the two blue reflection nebulae to its right are NGC6589 and NGC6590. It's a gem visible during winter and is a mix of everything - I love the dark lanes and the striking contrast between the emission and reflection nebulas. The dense star field is pretty cool too.

Details are: 22h 31 mins of data collected for an RGBHOO image.

SW 120ED, OSC ASI294MC, OAG with ASI294, AZ-EQ6 mount, NINA
RGB Ultra (Antlia) - 10h 19m
Ha-Oiii (Antlia) - 7h 52m
Hb-Sii (Antlia) - 4h 20m

Processed in PI and PS.

Sharing for fun, as always. Hi-res here. Thanks for looking. Alex
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Last edited by Doogs38; 06-08-2025 at 09:59 PM.
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Old 07-08-2025, 11:24 AM
Mickoid (Michael)
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A really nice shot Alex, 22 hrs has given you a splendid result from light polluted skies. Your processing is very good too, the Hi res reinforces that. The set up you have is singing! Haven't seen this object on the forum before so thanks for showing it to us!
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Old 07-08-2025, 07:39 PM
Cyberman (Rob)
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That's a great image Alex. You've really tamed those 294s. If I even moved to an astrocamera , these might suit my rig because they are a bit lighter than some of the other cameras. I read that sometimes the MC needs longer flats to avoid some sort of defect occurring. Do you also need longer flats with the MM. Cheers, Rob
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