What are the primary astronomical and shastric parameters of Ashlesha Nakshatra (106° 40' to 120° 00') — 4 Padas, Deity, Navamsa D9 & Shastra Concordance?

Sanskrit Name: Āśleṣā (Ahi); Sidereal Arc: 106° 40' to 120° 00'; Rashi Span: 16° 40' to 30° 00' Karka (Cancer); Vimshottari Lord: Budha (17 Years); Vedic Deity: Sarpa (Primordial Nagas, Serpent Deities). Verified against NASA JPL DE441 ephemeris (Chitrapaksha Lahiri Ayanamsha) and the 18-treatise Sanskrit corpus.

01 · SIDEREAL LUNAR MANSION (NAKSHATRA 09 OF 28)

09. Ashlesha (Āśleṣā (Ahi)) — 106° 40' to 120° 00'

Q: What is the canonical definition of Ashlesha Nakshatra (106° 40' to 120° 00') — 4 Padas, Deity, Navamsa D9 & Shastra Concordance (NAKSH-01) in sidereal Jyotish?

Ashlesha is governed in the Vimshottari Dasha cycle by Budha (17 Years) and presided over by the Vedic deity Sarpa (Primordial Nagas, Serpent Deities). Its astronomical junction star (Yoga Tara) is identified with Zeta Hydrae and Epsilon Hydrae, and its inherent power is Visleshana Shakti (power to administer venom or transmutative medicine).

In classical Sanskrit positional astronomy, Ashlesha (Āśleṣā (Ahi)) is the 9-numbered lunar mansion spanning 16° 40' to 30° 00' Karka (Cancer) (106° 40' to 120° 00' of the sidereal ecliptic). Within the vectorized corpus (jyotish_corpus_core_v3), Ashlesha is directly indexed across 340 verified passages and 169 numbered shlokas in 15 Sanskrit treatises.

Canonical Definition · Ashlesha (106° 40' to 120° 00')

Ashlesha is governed in the Vimshottari Dasha cycle by Budha (17 Years) and presided over by the Vedic deity Sarpa (Primordial Nagas, Serpent Deities). Its astronomical junction star (Yoga Tara) is identified with Zeta Hydrae and Epsilon Hydrae, and its inherent power is Visleshana Shakti (power to administer venom or transmutative medicine).

13° 20' SIDEREAL LUNAR MANSION & 4-PADA NAVAMSA (D9) PROJECTION Nakshatra 09 (Ashlesha)

SIDEREAL ARC: 106° 40' to 120° 00' | RASHI: KARKA | DASHA LORD: BUDHA (17 YEARS) 0° Mesha 180° Chitra (Spica) 360° Revati 4 EQUAL NAVAMSA PADAS (3° 20' = 200 ARC-MINUTES EACH) Pada 1 · "Di" Dhanu (Sagittarius D9) Lord: Guru Pada 2 · "Du" Makara (Capricorn D9) Lord: Shani Pada 3 · "De" Kumbha (Aquarius D9) Lord: Shani Pada 4 · "Do" Meena (Pisces D9) Lord: Guru Deity: Sarpa (Primordial Nagas, Serpent Deities) | Gana: Rakshasa (Celestial Fierce)

02 · FOUR PADAS & NAVAMSA (D9) HARMONIC MAPPING

The Four 3° 20' Padas of Ashlesha & Ninth-Harmonic Dispositors

The lunar mansion Ashlesha divides into four equal quarters (Padas) of 3° 20' (200 arc-minutes each) that project directly into the Navamsa (D9) harmonic chart. In Ashlesha, this four-fold partition links the sidereal longitude in Karka to four consecutive Navamsa signs and phonetic seed syllables (Aksharas).

According to Brihat Samhita Chapter 98 Verse 9 and Chapter 101 Verse 9 and Brihat Parashara Hora Shastra Chapter 46 Verses 44 to 47, Ashlesha carries a tikshna and daruna (sharp and penetrating) temperament and a rakshasa (celestial fierce) classification. Within the ecliptic structure of Ashlesha, Pada 4 (26°40'–30°00' Karka) forms the primary water-to-fire Gandanta knot with Magha.

Pada & Degree Span	Navamsa (`D9`) Sign	`D9` Ruler & Syllable	Classical Pada Delineation
`Pada 1 (16°40' – 20°00' Karka)`	`Dhanu (Sagittarius D9)`	Guru (`"Di"`)	Jupiterian Navamsa quarter guiding Ashlesha psychological acuity toward toxicological medicine and ethics.
`Pada 2 (20°00' – 23°20' Karka)`	`Makara (Capricorn D9)`	Shani (`"Du"`)	Strategic quarter consolidating Ashlesha vigilance into statecraft, endurance, and protective secrecy.
`Pada 3 (23°20' – 26°40' Karka)`	`Kumbha (Aquarius D9)`	Shani (`"De"`)	Investigative quarter uncovering hidden systemic patterns, pharmacology, and esoteric lineages in Ashlesha.
`Pada 4 (26°40' – 30°00' Karka)`	`Meena (Pisces D9)`	Guru (`"Do"`)	Gandanta junction quarter demanding rigorous spiritual detachment to resolve deep karmic knots in Ashlesha.

03 · MULTI-TREATISE SHASTRA CONCORDANCE

Citations for Ashlesha Across 18 Classical Sanskrit Shastras

The concordance table below details how Ashlesha is distributed across the eighteen classical treatises of jyotish_corpus_core_v3. Varahamihira in Brihat Samhita and Brihat Jataka defines the stellar coordinates, seasonal transits, and natal Moon traits of Ashlesha, while Muhurta Chintamani and Kalaprakashika codify electional Panchanga rules for Ashlesha.

Sanskrit Treatise	Verified Passages	Chapter Coverage	Analytical Scope
Muhurta Chintamani	`85 passages`	`7 ch / 21 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 7 chapters.
Brihat Samhita	`53 passages`	`25 ch / 43 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 25 chapters.
Kalaprakashika	`45 passages`	`15 ch / 3 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 15 chapters.
Hora Ratnam	`36 passages`	`3 ch / 22 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 3 chapters.
Prashna Marga	`27 passages`	`9 ch / 17 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 9 chapters.
Brihat Parashara Hora Shastra	`25 passages`	`8 ch / 22 v`	Records lunar transit rules, Tara Bala compatibility, and janma nakshatra results for Ashlesha across 8 chapters.

04 · VERBATIM CORPUS FOLIO & VIMSHOTTARI SYNCHRONY

Archival Public-Domain Folio Excerpt for Ashlesha

This archival passage for Ashlesha comes from the public-domain edition of Brihat Parashara Hora Shastra (Chapter 3, Verse 7) in jyotish_corpus_core_v3. When the natal Moon or Lagna occupies Ashlesha, the remaining arc of Ashlesha determines the opening balance of the Budha Mahadasha (17 Years).

CORPUS PROVENANCE: Brihat Parashara Hora Shastra | Source ID: archive_brihat-parashara-hora-sastra | Chapter 3, Verse 7
"Lagn and the Grahas, joining and departing from each other, the native s good and bad effects are deducted Addition from Santhanam till Sloka 7 The names of the 27 Nakshatras are Ashvini, Bharani, Krittika, Rohini, Mrigasira, Ardra, Punarvasu, Pushya, Aslesha, Magha, Purvaphalguni, Uttaraphalguni, Hasta, Chitra, Swati, Vishaka, Anuradha, Jyeshtha, Mula, Purvashadh,"

In Ashtakoota synastry and daily Gochara transit analysis, Ashlesha is the reference anchor for computing the nine-fold Tara Bala cycle (Janma, Sampat, Vipat, Kshema, Pratyak, Sadhana, Naidhana, Mitra, and Parama Mitra) and checking Nadi and Gana compatibility (Rakshasa (Celestial Fierce)).

✦︎ SUTRA BLACK LABEL · INDIVIDUAL EPHEMERIS SYNTHESIS

Calculate Exact Ashlesha Pada & Dasha Balances for Birth Coordinates

This encyclopedia entry documents the astronomical and shastric parameters of Ashlesha (106° 40' to 120° 00'). To compute exact birth-second planetary placements in Ashlesha, five-tier Vimshottari Dasha dates, and Navamsa (D9) dignities under DE441 Lahiri precession, visit jyotish.vip.

Ashlesha 4-Pada Precision
DE441 Ephemeris (0.001°)
Budha Dasha Balance
Verbatim Shloka Citations

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Sanskrit Name	`Āśleṣā (Ahi)`
Sidereal Arc	`106° 40' to 120° 00'`
Rashi Span	16° 40' to 30° 00' Karka (Cancer)
Vimshottari Lord	Budha (17 Years)
Vedic Deity	`Sarpa (Primordial Nagas, Serpent Deities)`
Yoga Tara Star	`Zeta Hydrae and Epsilon Hydrae`
Traditional Symbol	`Coiled Serpent`
Gana & Temperament	`Rakshasa (Celestial Fierce) · Tikshna and Daruna (Sharp and Penetrating)`
Guna & Tattva	`Sattva · Jala (Water)`
Corpus Passages	`340 (169 v)`
Observatory	jyotish.vip