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#rosette

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The Rosette nebula!! A year ago I couldn’t even imagine getting a shot like this, or not even in October when I first captured it! The Optolong L-eNhance has greatly helped achieve this, along with the auto guider which allows me to not worry about backlash and take even longer exposures that the filter allows.

Over 3 nights last week I got over 110 5-minute subs which got me close to 10 hours of data total! The data is also very clean and it allowed me to stretch a lot of faint details from the center of the nebula without bringing out too much noise.

116x300s lights (9.67 hours) at ISO 1600 with darks, flats, and biases stacked in Deep Sky Stacker, edited in Siril, GraXpert, and noise reduction applied in Adobe Lightroom mobile.
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🌌 Rosette Nebula (NGC 2244)
🔭 Modified Celestron Astromaster 114 (Scope), SkyWatcher GTi (Mount)
📸 Stock Canon Rebel T4i (Main), ZWO 120mm Mini (Guide), Optolong L-eNhance (Filter)
📅 Bloomington, Minnesota (Bortle 8)
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#highpointscientific #nebula #rosettenebula #rosette #ngc2244 #skywatcher #gti #meade #telescope #astrophotography #astronomy #siril #deepskystacker #adobelightroom #lightroom #adobelightroommobile #minnesota #mn #bloomingntonmn #jeffersonwi #wi #wisconsin #city #dss

le ptit mind blown culinaire du soir : j'aime bien les sandwiches au saucisson, mais le pain de mie est trop sec, et la baguette a une croute un peu dure, elle ne reste pas fraiche longtemps aussi.

je viens de tenter un roulé avec un pain durum (le pain plat à tacos), au diamètre une ligne de beurre comme la baguette et une ligne de tranches de rosette. j'ai ensuite plié un côté par dessus et roulé le tout.

eh bah c'est PARFAIT dites !!
#recette #astuce #saucisson #rosette #pain #sandwich

(thirteenth RacketCon)

October 28-29, 2023
Northwestern University
Evanston, IL, USA

con.racket-lang.org/

Introducing Rackith

Sage Gerard sagegerard.com/

Rackith is a language-oriented programming language based on Racket. Use Rackith to define many languages with one syntax object. Discussion covers project design and implications for the personal computer.

Reductions on top of Rosette

Chenhao Zhang eecs.northwestern.edu/~czu2221

Rhombus: Status update

Matthew Flatt (Utah) users.cs.utah.edu/~mflatt/

The State of Racket

Sam Tobin-Hochstadt (Indiana) samth.github.io/

Racket Town Hall

Racket Management

Please come with your big questions and discussion topics.

Registration

Check back soon! We currently do not have a registration form.’

Friendly Environment Policy

The proceedings of RacketCon will take place under the Racket Friendly Environment Policy racket-lang.org/friendly.html

Accommodation

We are currently exploring the possibility of getting a block of rooms at a nearby hotel.

#Racket #RacketLang #RacketLanguage
#LanguageOrientedProgramming #lop #Rosette #RosetteLanguage

#astrophotography #universe #astrodon

Sharing my first image of 2023, the #Rosette #Nebula in the constellation Monoceros. Also known as Caldwell 49 (NGC 2244 is commonly used for this object, but that's the open star cluster at the center of the image). Around 6 hours of exposure were spent capturing this object, which shows an ionized cloud of #hydrogen gas surrounding and glowing around an open cluster of giant #stars.

captandoelcosmos.com/mi-primer