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Sh2_155_SHO

English below

 

Nuova versione della Nebulosa Grotta (Sh2-155 o C9).

 

Composizione in Hubble Palette con i filtri dualband.

 

Le pose guidate da 600 secondi sono state:

 

67 scatti con filtro Antlia ALP-T 5 nm, per H α e O III;

 

87 scatti con filtro Optolong L-Synergy 7nm, per S II e O III.

 

Per le stelle, 1 ora di integrazione in pose da 60 secondi con filtro broadband SV260.

 

Strumentazione utilizzata:

 

Telescopio Newton 150/600 con correttore Tecnosky 0.95×

 

Camera Tecnosky Vision 571C

 

Montatura Sky-Watcher EQ6-R Pro

 

Elaborazione in PixInsight.

 

***

 

New version of the Cave Nebula (Sh2-155 or C9).

 

Composition in Hubble Palette with dual-band filters.

 

The 600-second guided exposures were:

 

67 shots with the Antlia ALP-T 5 nm filter for H α and O III;

 

87 shots with the Optolong L-Synergy 7 nm filter for S II and O III.

 

For the stars, 1 hour of integration in 60-second exposures with the SV260 broadband filter.

 

Equipment used:

 

150/600 Newtonian telescope with Tecnosky 0.95× corrector

 

Tecnosky Vision 571C camera

 

Sky-Watcher EQ6-R Pro mount

 

Processed in PixInsight.

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Uploaded on December 16, 2025