ngc 6604 (Giovanni Fiume)

Celestial hemisphere: Southern · Constellation: Serpens (Ser) · Contains: HD167394 · HD167789 · HD167809 · HD167810 · HD167834 · HD167925 · HD167926 · HD167971 · HD168074 · HD168112 · HD168135 · HD168206 · HD168299 · HD168326 · HD168350 · HD168367 · HD168414 · HD168461 · LBN 70 · LBN 71 · LBN 72 · NGC 6604 · Sh2-54

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ngc 6604

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ngc 6604

Uno dei soli 4 oggetti ripresi questo mese di agosto da un ottimo cielo della Sardegna.
Purtroppo il meteo è stato inclemente e ho avuto solo 7 notti su 21 per riprendere.
Per questa nebulosa ho usato i filtri Antlia SHO da 3nm, ma la scelta non è stata felice.
Da cieli scuri come questo avrei potuto usare i Baader da 7, 8 e 8.5 nm e integrare di meno, visto il poco tempo che ho avuto a disposizione.
In questo caso anche con una integrazione di 3 ore non vi era nessun segnale in OIII, per cui pubblico solo la ripresa H alfa.
*****
One of only 4 objects taken this month of August from an excellent sky of Sardinia.
Unfortunately the weather was inclement and I only had 7 nights out of 21 to shot.
For this nebula I used 3nm Antlia SHO filters, but the choice was not happy.
From dark skies like this I could have used the 7, 8 and 8.5 nm Baader and integrated less, becouse the short time I had available.
In this case even with a 3-hour integration there was no signal in OIII, so I only publish the alpha H shot.

DSO

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Backyard
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Unknown

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Status	Advanced success
Started	...
Astrometry.net job	6212767
PixInsight job	XYM15SO8WAA2JRH4AZBILL31YEI1YVTZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h18m06s.37
RA (top/left)	18h15m52s.00
RA (top/right)	18h15m27s.12
RA (bottom/right)	18h20m21s.53
RA (bottom/left)	18h20m44s.80

Dec (center)	-12°13′49″.9
Dec (top/left)	-11°24′04″.7
Dec (top/right)	-12°59′03″.2
Dec (bottom/right)	-13°03′31″.10
Dec (bottom/left)	-11°28′30″.5

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