NGC 3766 The Pearl Cluster

[TrevorW]

NGC 3766- The pearl CLuster

NGC 3766 is an open star cluster in the southern constellation Centaurus. It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752.
Apparent dimensions (V) (https://l.facebook.com/l.php?u=https%3A%2F%2Fwww.google.co m%2Fsearch%3Fclient%3Dfirefox-b-d%26q%3Dngc%25203766%2520apparent%2 520dimensions%2520v%26sa%3DX%26ved% 3D2ahUKEwjBsIPy8L_uAhUVjeYKHSAuBBUQ 6BMoADAdegQIFRAC%26fbclid%3DIwAR2h1 ECKtVzR5AlrPH4e6fgmLw1o2ONq5foCgFNv unFsaVCAhLPnj5D0IGo&h=AT02e43ZMkCTNhcp1esg5gqhMq4oAS0CL 66FrDbbr_J1-x1FxSHdQIhTQkguJiswXaFACkM-wtJTx2ryrEg5NLvlwFHRhqcPRFCyFBJfg62 gDJsC6PojFAQGT7B_YYYzgWRiw6wYfyxs5z A_Av-k&__tn__=-UK-R&c[0]=AT3OTJZIYFzR0-ezkgPOAr5-iqh2S-bVV8Oh9dMg5NKuGNTGbDVzDr92IiGtTxk9t aUy0QiDviDUTpbuEkt24I9EvsD5_HTsJpXq zmr6jsbvVvKU2EUxH4ao55uJcYTXDFNPFsw 7Q7ivEcqGlLb2K6ngxoxAZfGxQYPYhElV2N gAcyJI2wpg6qk8y2T4r28bJfAwO6hW3tSBq sL-iGJWR8A): 12.0′
Apparent magnitude (V) (https://l.facebook.com/l.php?u=https%3A%2F%2Fwww.google.co m%2Fsearch%3Fclient%3Dfirefox-b-d%26q%3Dngc%25203766%2520apparent%2 520magnitude%2520v%26stick%3DH4sIAA AAAAAAAOPgE-LUz9U3SCqKTyvQMs4ot9JPzs_JSU0uyczP0 09OzUktLslMzInPT8oCihVbJRYUJBal5pUo 5Cam52WWlKakLmKVzUtPVjA2NzNTwJRVKAM AR779EWIAAAA%26sa%3DX%26ved%3D2ahUK EwjBsIPy8L_uAhUVjeYKHSAuBBUQ6BMoADA eegQIGBAC%26fbclid%3DIwAR2SUXS4bmdP uEvBDo5Hk2nPBsOwutAz0XOTXHw3JpHBZcI vvvLRMoVrDVs&h=AT2ql3acGMFXa1N_a_7iu7M5JStJx3oRn KXH9ntTxUhY506Gg-mfqxJsl_Q0qYRlYc_GRAEvnt24b55MiWZhz MsuW5sq7ujKCQb3pRF3x66E1_bdTYnY9Qkb Uww3H03MyDl1QvcgeX9izWCHA_v6&__tn__=-UK-R&c[0]=AT3OTJZIYFzR0-ezkgPOAr5-iqh2S-bVV8Oh9dMg5NKuGNTGbDVzDr92IiGtTxk9t aUy0QiDviDUTpbuEkt24I9EvsD5_HTsJpXq zmr6jsbvVvKU2EUxH4ao55uJcYTXDFNPFsw 7Q7ivEcqGlLb2K6ngxoxAZfGxQYPYhElV2N gAcyJI2wpg6qk8y2T4r28bJfAwO6hW3tSBq sL-iGJWR8A): 5.3
Image capture - unguided 28min in 56x30s exposures 21mp Camera QHY268c (first light) scope Orion 110ED- stacked DSS, no darks, processed CS2, CS6 Mount Losmandy G11 conditions ; full moon between 10-11pm 28/1/2021






https://astrob.in/full/8n4x42/0/

[Placidus]

The sharpness is very fine. The star colour could be worked on. There should be a very strong colour difference between the extremely hot (and therefore blue-white) cluster stars and the much cooler (and therefore orange) general milky way stars.