Large Magellanic Cloud

LH 6 + N9

A star named in honour of an astronomer known for his comprehensive work on the 30 Doradus region

Image credit Robert Gendler

RA 04 55 11  Dec -67 10 42

Diameter: 5′ x 3′

OB Associations: LH 6

Henize: N9

NGC Objects: NGC 1735, 1747

The small piece of LMC real estate contains a pretty OB association, a couple of special stars, a beautiful little cluster and a faint SNR.

SNR N9: RA 04 55 10.9   Dec -67 11 32   Size 2.3′ x 2.0′   Age 13,500 ± 1,500 years

NGC 1735: RA 04 54 20.5   Dec -67 05 58   Mag 10.8   Size 1.8′ x 1.5′

LH 6 = NGC 1747:

228x: has a charming appearance. It appears ~6′ in diameter with a number of mag 12 and fainter stars assembled around the beautifully bright mag 9.7 blue supergiant, HD 32034, as if basking in its lovely light… and rightly so for this star is named Walborn’s Star for astronomer Nolan Walborn! A beautiful mist of unresolved stars lies around these stars. The bright little mag 12.3 Wolf-Rayet star, Brey 5, lies towards the southern side of the association.

N9:

128x + OIII filter: There is no sign of N9 without a filter and very little when I did add the OIII filter. The filter revealed two faint and very small tendrils of N9’s beautiful swathe of nebulosity: one to the west of Walborn’s star, the other to its south. They both look like an Impressionist’s softest brush strokes of faintest pearl-coloured light, wraith-like tendrils so pale that they are almost translucent against the rich starry background, with the southern one being a lot fainter that the western one. And in the way of very faint nebulosity, neither tendril has edges, they simply dissolve into the sky.

NGC 1735:

228x: NGC 1735 abuts the northwestern end of the swathe of N9 nebulosity. It is a lovely little cluster! It appears as a very elongated and tight little chain of stars, ~1.2′ in length and elongated NNW-SSE. The chain appears tied into numerous knots of both resolved and unresolved stars. Six mag 12-14 stars are resolved overall, and the SSE end of the chain appears as a rich, almost-round, knot of stars.

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