- Planetary Nebulae of the Abell Catalogue (Her) -
Abell 39 (PN)
Image source: DSS II (blue) - 5'×5'
|
Name: |
Abell 39, PK47+42.1 |
Type: |
PN |
Constellation: |
Her |
Coordinates: |
16h27m33.71s / +27°54'33.50" |
Brightness / Size: |
15m.6 / 2.9'×2.9' |
|
Robert Zebahl |
120mm f/5, 75x + UHC, Bortle 4, SQM-L 21.0
Conditions in the target region: SQM-L 20.6 Observation very marginal. At 75x with UHC filter I glimpsed a round, even haze, but unsure retrospectively.
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FAILED
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152mm f/5.9, 34x + [OIII], Bortle 3-, SQM-L 21.3
Roundish, evenly bright. Well visible with averted vision, but not conspicuous.
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MODERATE
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8" f/6, 37x + [OIII], Bortle 4, SQM-L 21.2
Conditions in the target region: SQM-L 20.9 Rather faint and less evident, relatively large, round, evenly bright. At 80x with UHC filter similar, with [OIII] filter even a bit fainter.
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MODERATE
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René Merting |
12.5" f/4.5, 72x + [OIII], SQM-L 21.3
bei 45x und [OIII] zeigt sich der PN schwach und keine echten Konturen - bei 72x und [OIII] ist der PN indirekt rund abgegrenzt sichtbar - gefühlt ist das ein PN, der herausgearbeitet werden muss, denn je länger man das Objekt betrachtet, desto besser wird die Ansicht
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MODERATE
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