NGC5085 panorama (aikd)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: NGC 5085

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NGC5085 panorama

Revision title: NGC5085 Close-up

Link to TIFF/FITS: https://www.sensoranalytics.com.au/astrobin/ngc5085.html

Powered byPixInsight

NGC5085 panorama

Revision title: NGC5085 Close-up

Link to TIFF/FITS: https://www.sensoranalytics.com.au/astrobin/ngc5085.html

Debut Image of NGC 5085

Size: 3.5' x 3.0'
Magnitude: 11:30

Perfect little galaxy at the imaging limit of most amateur telescopes. Galaxy core has a spread of HA signal, which adds a bit of color to what is otherwise mainly white light.

Rev F is the animation of an object in three consecutive 5-min subs on 28-April-2022 (time stamps 00:17, 00:23, and 00:28 all AEST).

Findings
========
1. The light source has oscillating brightness.
2. The captured path trace, in each of the three subs, is no longer than 2 x moon diameter or 1° to naked eye (2 x 0.5°), undetectable. The object took 15 mins to traverse the F6.3 focal reduced FOV of my C8, which makes it either very slow moving or at a distance much further than low orbit satellites.
3. Possible explanations, a rotating asteroid with a shape that gradually causes its reflected light intensity to vary as a perfect sine wave - unlikely the object is too bright for an asteroid. Or there was something periodically vibrating in my imaging system that made the trace to oscillate, again unlikely.

Original
F
Final
G

F

Title: Strange meteor

Uploaded: ...

G

Title: NGC5085 Close-up

Uploaded: ...

Unique or Unusal Deep Sky Targets

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Basic success
Started	...
Astrometry.net job	5800979
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC5085 panorama

Revision title: NGC5085 Close-up

NGC5085 panorama

Revision title: NGC5085 Close-up

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Image Index:

Contribution Index (beta):

NGC5085 panorama

Revision title: NGC5085 Close-up

NGC5085 panorama

Revision title: NGC5085 Close-up

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Description

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F

G

Sky plot

Histogram

In these public groups

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